54338561 has 2 divisors, whose sum is σ = 54338562. Its totient is φ = 54338560.

The previous prime is 54338551. The next prime is 54338569. The reversal of 54338561 is 16583345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43970161 + 10368400 = 6631^2 + 3220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54338561 is a prime.

It is a super-3 number, since 3×54338561³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54338569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27169280 + 27169281.

It is an arithmetic number, because the mean of its divisors is an integer number (27169281).

Almost surely, 2^54338561 is an apocalyptic number.

It is an amenable number.

54338561 is a deficient number, since it is larger than the sum of its proper divisors (1).

54338561 is an equidigital number, since it uses as much as digits as its factorization.

54338561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 54338561 is about 7371.4693921904. The cubic root of 54338561 is about 378.7645960094.

The spelling of 54338561 in words is "fifty-four million, three hundred thirty-eight thousand, five hundred sixty-one".